| OF | occipitofrontal; open field [test]; optical fundus; orbitofrontal; osmotic fragility; osteitis fibro... |
|---|---|
| OFC | occipitofrontal circumference; orbitofacial cleft; osteitis fibrosa cystica |
| PARS | Personal Adjustment and Role Skills Scale |
| PD | Doctor of Pharmacy; Dublin Pharmacopoeia; interpupillary distance; Paget disease; pancreatic duct; p... |
| PI | first meiotic prophase; isoelectric point; pacing impulse; package insert; pancreatic insufficiency;... |